A ball is thrown down from a balcony with a vertical velocity (in ft/s) given by V(t)= –32t – 10. Chose the inequality that represents the time for which the velocity of the ball will be between –90 and –58 ft/s

Answers

Answer 1

Answer: If the ball is thrown downward, it has a negative velocity due to the direction is traveling. By just looking at the magnitude of the velocity 90 is greater than 58, the negative sign only represents that it is moving downwards. So the correct answer is choice 2

Answer 2

Answer:

Inequalities are used to represent unequal expressions or numbers.

The inequality that represents the time for which the velocity of the ball will be between -90 and -58 ft/s is: $-90 < -32t - 10< -58$

Given

$V(t) = -32t - 10$

$V_1 = -90$

$V_1 = -58$

From the numbering system;

$-90 < -58$ -- i.e. -90 is less than -58.

This means that:

$-90 < V(t) < -58$

Substitute $V(t) = -32t - 10$

$-90 < -32t - 10< -58$

Hence, the inequality that represents the scenario is:

$-90 < -32t - 10< -58$

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Write the scale or unit ratio for the problem: There are 48 ounces of soda and 2 cups of ice cream ina batch of punch. How many ounces of soda are needed if 5 cups of ice cream are used to make
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0 48 ounces/2 cups
O 5 cups/2 cups
O 48 ounces/5 cups

Answers

Greetings from Brasil...

Let's apply rule of 3:

cups oz

2 ------- 48

5 ------- X

2 · X = 48 · 5

2X = 48 · 5

X = (48 · 5)/2

48 is the volume of soda, so just multiply that volume by 2/5 to get the new amount of soda...

5cups / 2cups

Gender: Grade 9 Grade 10 Grade 11 Grade 12Male: 53 19 27 37
Female: 31 42 50 61
What percentage of females are in grades 11 and 12? Round to the nearest percent.
27%
35%
60%
67%

Answers

(50+61) / (31 +42 +50 +61) * 100 = 111/187 * 100 = 59.35

The third option: 60%

Answer:

60%

Step-by-step explanation:

What is f(x)=x2-5 btw that 2 is square

Answers

Answer:

sqrt 5 = 2.23606798

Step-by-step explanation:

Thank you for telling us the 2 is squared that really helps!

x^2 - 5 = 0

(add 5 both sides)

x^2 = 5

(sqrt both sides) (sqrt stands for square root)

x = sqrt 5

(Usally they just want sqrt 5 as an answer but if they want decimals its)

x = 2.23606798

Answer:

x= $√(5)$

Step-by-step explanation:

f(x)= $x^(2)$ -5

$x^(2)$ -5=0

Add 5 to both sides.

$x^(2)$ =5

To get rid of the square of x, put the square root thingie so that it will cancel out. BTW, if you put it on one side, you have to put it on the other side.

$\sqrt{x^(2) }$ = $√(5)$

x= $√(5)$

Hope this helps! Plz give brainliest!

On Monday Bianca spent 4 8/9 hours studying. On Tuesday she spent another 3 5/6 hours studying. What is the combined length of time did she spend studying?

Answers

(4 8/9) + (3 5/6) = (4 16/18) + (3 15/18) = 8 13/18. Hope this helped, but I'm only in fifth grade. Sorry if I'm wrong!!!! ^^

A total of 180 students went on a field trip. There were 3 buses. If each bus had the same number of students on it, how many students were on each bus? Explain how to solve using compatible numbers.